CN109649495B - Cabin crossbeam installing system in minibus - Google Patents
Cabin crossbeam installing system in minibus Download PDFInfo
- Publication number
- CN109649495B CN109649495B CN201811624853.7A CN201811624853A CN109649495B CN 109649495 B CN109649495 B CN 109649495B CN 201811624853 A CN201811624853 A CN 201811624853A CN 109649495 B CN109649495 B CN 109649495B
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- Prior art keywords
- assembly
- beam assembly
- top surface
- mounting
- mounting system
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- 238000012546 transfer Methods 0.000 claims abstract description 22
- 238000003466 welding Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000000295 fuel oil Substances 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 235000008429 bread Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
- B62D65/02—Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention relates to the technical field of new energy automobiles, overcomes the defects that the space arrangement of a cabin beam mounting system in the existing fuel oil vehicle is limited, the disassembly and the maintenance are inconvenient, the structural form is also unfavorable for the standard installation, the layout, the mass production of the mounting system and the like of the rear parts of a new energy electric vehicle, and provides the cabin beam mounting system in a minibus. The middle engine room beam mounting system comprises a front beam assembly, a rear beam assembly and a plurality of transfer support beams; the front beam assembly and the rear beam assembly comprise an upper beam and a lower beam with U-shaped cross sections, the openings of the upper beam and the lower beam are downward, and the lower beam is sleeved in the upper beam; the transfer support beam is positioned between the front beam assembly and the rear beam assembly, and two ends of the transfer support beam are respectively fixedly connected with the front beam assembly and the rear beam assembly.
Description
Technical Field
The invention relates to the technical field of new energy automobiles, in particular to a cabin cross beam mounting system in a minibus.
Background
Along with the increasing demands of the market on new energy automobiles, the design and research of new energy electric automobiles become a new focus of a plurality of automobile enterprises. Because the traditional fuel oil vehicle is modified into the new energy electric vehicle, the new energy electric vehicle has the advantages of short development period, high return efficiency and the like, and a considerable part of the new energy electric vehicles are correspondingly improved on the basis of the traditional fuel oil vehicle.
However, in the modification process of the traditional mini-fuel minibus, the structure of the cabin cross beam mounting system in the original fuel vehicle is difficult to meet the requirements of the new energy electric vehicle, particularly the limited space arrangement of the cabin cross beam mounting system is inconvenient for the disassembly and maintenance of the mounting system, and the original structural form is also unfavorable for the standard installation, layout and mass production of the mounting system of the rear parts of the new energy electric vehicle.
Disclosure of Invention
The invention aims to overcome the defects that the space arrangement of a cabin beam mounting system in the existing fuel oil vehicle is limited, the disassembly and the maintenance are inconvenient, the structural form is also unfavorable for the standard installation, the layout, the mass production of the mounting system and the like of the rear parts of the new energy electric vehicle, and provides the cabin beam mounting system in the minibus.
In order to achieve the above purpose, the technical scheme provided by the invention is as follows: the cabin beam mounting system in the minibus is characterized by comprising a front beam assembly, a rear beam assembly and a plurality of switching support beams; the front beam assembly and the rear beam assembly comprise an upper beam and a lower beam with U-shaped cross sections, the openings of the upper beam and the lower beam are downward, and the lower beam is sleeved in the upper beam; the transfer support beam is positioned between the front beam assembly and the rear beam assembly, and two ends of the transfer support beam are respectively fixedly connected with the front beam assembly and the rear beam assembly.
Further, the opening end of the lower beam of the front beam assembly is flush with the corresponding opening end of the upper beam, a gap is formed between the top surface of the lower beam and the top surface of the upper beam, and a threaded hole or a through hole for connecting the transfer support beam is formed in the top surface of the upper beam corresponding to the gap.
Further, the opening end of the middle part of the lower beam of the rear beam assembly is flush with the corresponding opening end of the upper beam; the top surface of the middle part of the lower cross beam and the corresponding top surface of the upper cross beam are provided with gaps, and the top surface of the upper cross beam corresponding to the gaps is provided with threaded holes or through holes for connecting the transfer support beams; the open ends of the left part and the right part of the lower beam of the rear beam assembly are level with the corresponding open ends of the upper beam, and the height of the front open end is greater than that of the rear open end; the top surfaces of the left part and the right part of the lower beam of the rear beam assembly are clung to the corresponding top surfaces of the upper beam.
Further, two ends of the transfer support beam are respectively connected with the front cross beam and the rear cross beam through bolts. Adopts bolt connection, is convenient to assemble and disassemble and is reliable in connection.
Further, the middle engine room beam mounting system further comprises a beam mounting support of the box body structure; the four side surfaces of the beam mounting support are fixedly connected through welding, the top surfaces of the four side surfaces are outwards turned to form turned edges for being fixedly connected with the frame, and the turned edges are parallel to the top surface of the beam mounting support; the top surface of the beam mounting support is provided with a through hole, and a square nut with a self-locking function is arranged on the lower surface of the top surface corresponding to the through hole; the left part and the right part of the top surface of the lower cross beam of the front cross beam assembly are respectively provided with mounting holes; the left part and the right part of the top surfaces of the upper cross beam and the lower cross beam of the rear cross beam assembly are respectively provided with a mounting hole; the front beam assembly and the rear beam assembly are respectively provided with a beam mounting support at the mounting holes; and the front beam assembly, the rear beam assembly and the beam mounting support are fixedly connected through bolts passing through the mounting holes, the through holes and the square nuts.
Further, the beam mounting support is manufactured by stamping a steel plate.
Compared with the prior art, the invention has the advantages that:
1. the front and rear beam assemblies of the invention all adopt the double U-shaped closed section reinforcing form, and the beam joints adopt different structural designs according to the arrangement positions, thereby ensuring the strength and rigidity of the beam and being convenient for installation.
2. The transfer support beam is convenient to adjust, high in applicability and convenient to assemble and disassemble, the arrangement and installation requirements of parts of the electric vehicle can be met by adjusting the transfer support beam, and the development period and cost of the parts are saved.
3. The beam mounting support adopts a self-welding box body structure, so that the space occupancy rate is small, and the structural strength and the rigidity are high.
4. The invention adopts the design idea of a split charging system, and during assembly work, a beam mounting support can be welded on a small frame part, and a front beam assembly and a rear beam assembly are mounted on an assembly line; the parts (storage battery, three-in-one, compressor, fuse box, VCU and the like) of the electric vehicle are firstly arranged on the transfer support beam and then integrally arranged on the cross beam, so that the production beat is fast, and the electric vehicle is suitable for mass production.
Drawings
FIG. 1 is an exploded schematic view of one embodiment of a cabin beam mounting system of the present invention;
FIG. 2 is a schematic view of one embodiment of the beam mount of FIG. 1;
FIG. 3 is a schematic illustration of the cabin rail mounting system of FIG. 1 positioned on a minibus frame;
FIG. 4 is a schematic illustration of the nacelle beam mounting system of FIG. 3.
FIG. 5 is a cross-sectional view taken along line A-A of the rear cross-beam assembly of FIG. 4;
FIG. 6 is a cross-sectional view taken along line C-C of the rear cross-beam assembly of FIG. 4;
FIG. 7 is a cross-sectional view taken along line B-B of the front cross-beam assembly of FIG. 4;
fig. 8 is a cross-sectional view taken along line D-D of the front cross-beam assembly of fig. 4.
The reference numerals in the drawings are as follows:
00-frame;
0—a mid-nacelle beam mounting system;
1-a front beam assembly, 11-an upper beam and 12-a lower beam;
2-a rear cross beam assembly;
3-switching a support beam;
4-a beam mounting support, 41-a flanging, 42-a square nut and 43-a set screw. .
Detailed Description
It should be noted that the terms "front," "rear," "upper," "lower," "left," "right," and the like herein are based on the directional relationship illustrated in the drawings and are merely for convenience of description and do not denote or imply that the device must have a particular orientation.
The invention is described in further detail below with reference to the drawings and examples.
The present embodiment provides a cabin cross beam mounting system in a minibus, as shown in fig. 2, in which a cabin cross beam mounting system 0 is mounted on a minibus frame 00.
As shown in fig. 1, the cabin beam mounting system in the minibus comprises a front beam assembly 1, a rear beam assembly 2, a plurality of transfer support beams 3 and a beam mounting support 4 of a box structure.
The transfer support beam 3 is positioned between the front beam assembly 1 and the rear beam assembly 2, and two ends of the transfer support beam are fixedly connected with the front beam assembly 1 and the rear beam assembly 2 through bolts respectively.
As shown in fig. 4 to 7, the front beam assembly 1 and the rear beam assembly 2 each include an upper beam 11 and a lower beam 12 with a U-shaped cross section, the openings of the upper beam 11 and the lower beam 12 are downward, and the lower beam 12 is sleeved in the upper beam 11.
The open end of the lower beam 12 of the front beam assembly 1 is flush with the corresponding open end of the upper beam 11, a gap is formed between the top surface of the lower beam 12 and the top surface of the upper beam 11, and a threaded hole for connecting the transfer support beam 3 is formed in the top surface of the upper beam 11 corresponding to the gap.
The open end of the middle part of the lower beam 12 of the rear beam assembly 2 is flush with the corresponding open end of the upper beam 11; gaps are formed between the top surface of the middle part of the lower cross beam 12 and the corresponding top surface of the upper cross beam 11, and threaded holes for connecting the transfer support beams 3 are formed in the top surface of the upper cross beam 11 corresponding to the gaps; the left and right open ends of the lower beam 12 of the rear beam assembly 2 are flush with the corresponding open ends of the upper beam 11, and the front open end is higher than the rear open end; the top surfaces of the left and right parts of the lower beam 12 of the rear beam assembly 2 are closely attached to the corresponding top surfaces of the upper beam 11.
As shown in fig. 3, the beam mounting support 4 is made of a steel plate by adopting a stamping process, four side surfaces of the beam mounting support are fixedly connected by welding, the top surface of the beam mounting support is outwards turned to form a turned-over edge 41 for being fixedly connected with the frame 00, and the turned-over edge 41 is parallel to the top surface of the beam mounting support 4; the top surface of the beam mounting support 4 is provided with a through hole, and a square nut 42 with a self-locking function is arranged on the lower surface of the top surface corresponding to the through hole (see fig. 6 and 8); the left part and the right part of the top surface of the lower beam 12 of the front beam assembly 1 are respectively provided with mounting holes; the left part and the right part of the top surfaces of the upper beam 11 and the lower beam 12 of the rear beam assembly 2 are respectively provided with mounting holes; the mounting holes of the front beam assembly 1 and the rear beam assembly 2 are respectively provided with a beam mounting support 4; the front beam assembly 1, the rear beam assembly 2 and the beam mounting support 4 are fixedly connected through the mounting holes, the through holes and the square nuts by the set screws 43.
The cabin cross beam installation system in the minibus provided by the embodiment can well meet the installation rigidity, strength, disassembly and assembly performance, installation manufacturability, structural plasticity, environmental protection performance of production and batchability of cabin parts in the new energy miniature bread electric vehicle.
The above description is merely illustrative of the preferred embodiments of the present invention and is not intended to limit the technical scope of the present invention, and any known modifications made by those skilled in the art based on the main technical concept of the present invention fall within the technical scope of the present invention.
Claims (5)
1. A cabin beam mounting system in a minibus, characterized by: comprises a front beam assembly (1), a rear beam assembly (2) and a plurality of transfer support beams (3);
the front beam assembly (1) and the rear beam assembly (2) comprise an upper beam (11) and a lower beam (12) with U-shaped cross sections, openings of the upper beam (11) and the lower beam (12) are downward, and the lower beam (12) is sleeved in the upper beam (11);
the transfer support beam (3) is positioned between the front beam assembly (1) and the rear beam assembly (2), and two ends of the transfer support beam are respectively fixedly connected with the front beam assembly (1) and the rear beam assembly (2);
the opening end of the middle part of the lower beam (12) of the rear beam assembly (2) is flush with the corresponding opening end of the upper beam (11); the top surface of the middle part of the lower cross beam (12) and the corresponding top surface of the upper cross beam (11) are provided with gaps, and the top surface of the upper cross beam (11) corresponding to the gaps is provided with threaded holes or through holes for connecting the transfer support beams (3);
the left and right open ends of the lower beam (12) of the rear beam assembly (2) are flush with the corresponding open ends of the upper beam (11), and the front open end is higher than the rear open end;
the top surfaces of the left part and the right part of the lower beam (12) of the rear beam assembly (2) are clung to the corresponding top surfaces of the upper beam (11).
2. The microbus middle cabin crossbeam mounting system of claim 1, wherein: the front beam assembly is characterized in that the opening end of a lower beam (12) of the front beam assembly (1) is flush with the corresponding opening end of an upper beam (11), a gap is formed between the top surface of the lower beam (12) and the top surface of the upper beam (11), and a threaded hole or a through hole for connecting the transfer support beam (3) is formed in the top surface of the upper beam (11) corresponding to the gap.
3. A cabin cross beam mounting system in a minibus according to claim 2, wherein: the two ends of the transfer support beam (3) are respectively connected with the front beam assembly (1) and the rear beam assembly (2) through bolts.
4. A cabin cross beam mounting system in a microbus according to any one of claims 1 to 3, wherein: the device also comprises a cross beam mounting support (4) of the box body structure; four side surfaces of the beam mounting support (4) are fixedly connected through welding, the bottom surfaces of the four side surfaces are outwards turned to form turned edges (41), and the turned edges (41) are parallel to the top surface of the beam mounting support (4); the top surface of the beam mounting support (4) is provided with a through hole, and a square nut (42) with a self-locking function is arranged on the top surface corresponding to the lower surface of the through hole;
the left part and the right part of the top surface of the lower beam (12) of the front beam assembly (1) are respectively provided with mounting holes; the left part and the right part of the top surfaces of the upper beam (11) and the lower beam (12) of the rear beam assembly (2) are respectively provided with mounting holes;
the mounting holes of the front beam assembly (1) and the rear beam assembly (2) are respectively provided with a beam mounting support (4); the front beam assembly (1), the rear beam assembly (2) and the beam mounting support (4) are fixedly connected through the mounting holes, the through holes and the square nuts by the set screws (43).
5. The microbus middle cabin crossbeam mounting system of claim 4, wherein: the beam mounting support (4) is manufactured by stamping a steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811624853.7A CN109649495B (en) | 2018-12-28 | 2018-12-28 | Cabin crossbeam installing system in minibus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811624853.7A CN109649495B (en) | 2018-12-28 | 2018-12-28 | Cabin crossbeam installing system in minibus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109649495A CN109649495A (en) | 2019-04-19 |
| CN109649495B true CN109649495B (en) | 2024-01-12 |
Family
ID=66117921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811624853.7A Active CN109649495B (en) | 2018-12-28 | 2018-12-28 | Cabin crossbeam installing system in minibus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109649495B (en) |
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| JP6358300B2 (en) * | 2016-09-06 | 2018-07-18 | マツダ株式会社 | Rear body structure of the vehicle |
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2018
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| JPH11192977A (en) * | 1997-12-30 | 1999-07-21 | Daihatsu Motor Co Ltd | Body frame reinforcing structure for automobile |
| JP2000289655A (en) * | 1999-04-02 | 2000-10-17 | Toyota Auto Body Co Ltd | Rear floor cross member reinforcing structure of vehicle |
| JP2009056904A (en) * | 2007-08-30 | 2009-03-19 | Press Kogyo Co Ltd | Alligator type cross member |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109649495A (en) | 2019-04-19 |
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Effective date of registration: 20240611 Granted publication date: 20240112 |